1390304888

素因数分解:

$2^3\times 7^1\times {\mathrm{643}}^1\times {\mathrm{38611}}^1$

素因数の和:39267

約数の個数: 32

約数和(自身を含む): 2983935360

約数和(自身を除く): 1593630472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 643, 1286, 2572, 4501, 5144, 9002, 18004, 36008, 38611, 77222, 154444, 270277, 308888, 540554, 1081108, 2162216, 24826873, 49653746, 99307492, 173788111, 198614984, 347576222, 695152444, 1390304888]

約数ペア:

[(1, 1390304888), (2, 695152444), (4, 347576222), (7, 198614984), (8, 173788111), (14, 99307492), (28, 49653746), (56, 24826873), (643, 2162216), (1286, 1081108), (2572, 540554), (4501, 308888), (5144, 270277), (9002, 154444), (18004, 77222), (36008, 38611)]